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import { readFileSync, env, cwd } from "deno";
export interface DotenvConfig {  [key: string]: string;}
export interface ConfigOptions {  path?: string;  export?: boolean;  encoding?: string;}
export function parse(rawDotenv: string): DotenvConfig {  return rawDotenv.split("\n").reduce((acc, line) => {    if (!isVariableStart(line)) return acc;    let [key, ...vals] = line.split("=");    let value = vals.join("=");    if (/^"/.test(value)) {      value = expandNewlines(value);    }    acc[key] = trim(cleanQuotes(value));    return acc;  }, {});}
export function config(options: ConfigOptions = {}): DotenvConfig {  const dotenv = new TextDecoder("utf-8").decode(    readFileSync(options.path || `${cwd()}/.env`)  );
  const conf = parse(dotenv);
  if (options.export) {    const currentEnv = env();    for (let key in conf) {      currentEnv[key] = conf[key];    }  }
  return conf;}
function isVariableStart(str: string): boolean {  return /^[a-zA-Z_]*=/.test(str);}
function cleanQuotes(value: string = ""): string {  return value.replace(/^['"]([\s\S]*)['"]$/g, "$1");}
function trim(val: any): any {  if (typeof val !== "string") return val;  return val.trim();}
function expandNewlines(str: string): string {  return str.replace("\\n", "\n");}